Xi Xiang
Xi Xiang
Success lies in trying.

CV

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Xi Xiang

Location: Nanjing, China
Institution: Nanjing University (NJU)
Major: Economics (Talent Training Program)
Minor: Computer Science and Technology

Education

2023.09 - Present:
Economics, Department of Economics, School of Business, Nanjing University

Mentor

Doctoral Supervisor, Professor Pi Jiancai
Research Assistant to: Professor Shen Haopeng

Courses

Only taken courses are listed below, for more details, click me.

(Finished course, Ongoing course)

Mathematic

Calculus Ⅰ(Tier 1), Calculus Ⅱ(Tier 1), Linear Algebra(Tier 1)
Discrete Mathematics, Probability Theory and Mathematical Statistics, Statistics
Real Variable Functions and Functional Analysis

Economy

Political Economy Ⅰ, Political Economy Ⅱ, Introduction to Capital, Chinese Economic History
Microeconomics, Intermediate Microeconomics, Game Theory, Intermediate Game Theory
Macroeconomics, Intermediate Macroeconomics, Industrial Economics
Introduction to Econometrics, Intermediate Econometrics
Mathematical Economics.

  • Financial Direction

    Management, Accounting, Public Finance, International Trade, Monetary Finance and Banking, Financial Management, Financial Mathematics.

  • Intersection Direction

    Experimental Economics, New Institution Economics, Development Economics, Behavioral Economics.

  • Digital and Big Data Direction

    Big Data Economics, Digital Economics, Database Technology and Its Application, AI for Complex Networks, Economics of Platform Governance, Text Mining and Large Language Models.

Computer Science and Technology

  • Software

    Python Programming, Basics of Programming, Data Structures, Alogorithm Design & Analysis, Computer Networks, Advanced Programming
    Introduction to Machine Learning, Introduction to Data Mining, Big Data Processing: Comprehensive Experiments
    Introduction to Databases, Elements of Cryptography, Software Engineering

  • Hardware

    Digital Logic and Computer Organization, Introduction to Computer Systems, Operating Systems.

Research Interests

  • Application of Machine Learning, Data Mining and Big Data Technology in Causality Inference of Econometrics.
  • Theoretical Explanation of New Phenomena and New Models in Digital Economy.
  • Application of Micro-empirical Econometrics: Topics Related to Labor and Education.
  • Game Theory: Relationship between Central Government and Local Government.

Project Experience

Interdisciplinary Projects (Economics × Computer Science)

  • NJUBSwatcher: NJUBS Website Change Monitor
    Open-source Python monitoring system for automated tracking of NJUBS website updates
    ▪ Built a scraper and notification pipeline for six announcement modules, with snapshot diffing, module-level email subscriptions, and GitHub Actions-based automated snapshot updates | Completed (Sep 2025)

  • Second-Hand Goods Trading Platform
    End-to-end marketplace system independently developed with Python desktop UI and local data persistence
    ▪ Implemented user authentication, listing management, search, favorites, comments, image handling, and administrator moderation using Tkinter, Pillow, and JSON-based storage | Completed (Dec 2025)

  • Sports Meeting Management System
    Full-stack event management system independently developed for athlete registration, scheduling, and result administration
    ▪ Built a Flask-based backend with SQL Server integration and a web frontend supporting athlete registration, event signup, score entry, schedule queries, and department-level result summaries | Completed (May 2025)

Economics Research

  • Digital Skill Premia, Structural Polarization and Skill Complementarity: Evidence from Chinese Listed-Firm Job Postings, 2016-2025
    Independent Research Project: XIANG Xi
    Paper | Report (ZH) | Report (EN)
    ▪ Uses 6.9 million job postings from Chinese listed firms between 2016 and 2025 to trace the evolution of digital-skill demand, wage premia, and structural polarization in the labor market
    ▪ Combines structured NLP-based skill extraction with annual wage regressions, quantile regressions, and concentration measures to show time-varying AI/ML premia, sub-additive skill complementarity, and persistent upper-tail wage inequality amid broad skill diffusion | Apr 2026

  • Opening Doors, Widening Gaps? The Distributional and Intergenerational Effects of China’s Higher Education Expansion
    Team Member: XIANG Xi
    Paper | Report (ZH) | Report (EN)
    ▪ Examines the distributional and intergenerational effects of China’s higher education expansion, with heterogeneous impacts across urban-rural and parental-background dimensions
    ▪ Uses CFPS 2022 microdata and combines regression discontinuity with difference-in-differences to identify policy effects and assess robustness | Feb 2026

  • The Relationship between Industrial Chain Network Position, Supply Chain Concentration and Enterprise Innovation Performance
    Team Member: XIANG Xi
    Paper | Report (ZH)
    ▪ Investigates how firms’ positions in industrial chain networks affect innovation performance and how supply chain concentration moderates this relationship
    ▪ Constructs a directed weighted industrial chain network and applies panel fixed-effects models, heterogeneity analysis, and link-prediction-based extensions
    ▪ This paper is reported at The Second Undergraduate Forum on New Structural Economics(2026.04.27) | Feb 2026

  • The Return Rate Trend and Professional Heterogeneity of Higher Education in China
    Team Members: XIANG Xi and GUI Yuhe
    Link
    ▪ Studies temporal changes in returns to higher education and major-specific heterogeneity in labor market outcomes in China
    ▪ Combines structured literature review with an extended Mincer earnings framework to compare return patterns across disciplines | In Progress (Spring 2025)

  • The Mechanism and Heterogeneity of the Impact of Digital Trade on the Quality of Employment in China
    Team Members: XIANG Xi, WU Haomin and FAN Jincheng
    Link
    ▪ Evaluates the impact of digital trade on employment quality and tests transmission channels through consumption, education investment, and skill structure
    ▪ Builds hierarchical regression specifications and applies entropy-weight index construction, instrumental-variable estimation, and multiple robustness checks
    ▪ Awarded Third Prize - The 36th “Silver Star Cup” undergraduate academic paper competition | May 2025

  • Crisis Management in Stigmatized Industries
    Team Members: AI Peiyuan, XIANG Xi, YIN Tao, XU Fanjiahui
    Link
    ▪ Analyzes crisis-response strategies in stigmatized industries using China’s convenience food sector as a case study
    ▪ Awarded First Prize - 27th Forum of Science & Arts at Nanjing University (Freshman Division) | May 2024

Professional Activities

  • Admissions Ambassador
    Nanjing University Undergraduate Recruitment Office
    ▪ Sichuan Admissions Team of Nanjing University | June 2025
    ▪ Conducting campus tours and applicant consultations | May 2024 - Present

  • Multimedia Editor
    Nanjing University Undergraduate Recruitment Office All-Media Center
    Video production with Adobe Premiere & Jianying
    ▪ Content creation for official social media platforms | Sept 2024 - Present

  • Academic Excellence Award
    1st “Most Beautiful Lecture Notes” Competition
    ▪ Recognized for exceptional course documentation | Oct 2024

  • Peer Mentor for Freashmen
    School of Business, Nanjing University
    ▪ 2025 Peer mentor for freashmen | Aug 2025 - Present

  • Outstanding Student, Outstanding Volunteer
    School of Business, Nanjing University
    ▪ | 2024-2025 —

    Academic Credentials

GPA Summary (Updated: Spring 2025)

Academic Performance
Category Score
Overall GPA 4.44/5.0
Compulsory Course GPA 4.49/5.0

Rank: 7/20 (35%)

Official academic transcripts available upon request via email.

Language Proficiency

CET-4 (College English Test Band 4)
Section Score
Listening Comprehension 203
Reading Comprehension 214
Translation & Writing 184
Total 601
CET-6 (College English Test Band 6)
Section Score
Listening Comprehension 188
Reading Comprehension 221
Translation & Writing 162
Total 571

Competition Records

  • 2025 Mathematical Contest in Modeling (MCM)
    Honorable Mention with Zhan Chen and Haoyu Shen.

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